Page 3of 45 Pages Shenzhen Beilai Technology Co., Ltd.
V1.1
https://www.bliiot.com
Embedded ARM Computer BL301 BL302
Table of Contents
1 Introduction................................................................................................................................................ 5
1.1 Overview.............................................................................................................................................5
1.2 Features..............................................................................................................................................5
1.3 Application scenarios........................................................................................................................ 5
1.4 Technical Specifications................................................................................................................... 6
1.5 Model Selection................................................................................................................................. 8
2 Development............................................................................................................................................. 9
2.1 Development Environment.............................................................................................................. 9
2.2 System Programming....................................................................................................................... 9
2.2.1 Programming via SD card...................................................................................................... 10
2.2.2 Programming via OTG............................................................................................................ 14
3 Hardware Specifications........................................................................................................................16
3.1 Power Interface................................................................................................................................16
3.2 LED Indicators................................................................................................................................. 17
3.3 RS485&RS232 Serial Port.............................................................................................................17
3.4 CAN Interface.................................................................................................................................. 20
3.5 PWM Interface................................................................................................................................. 22
3.6 DI........................................................................................................................................................23
3.7 LAN....................................................................................................................................................24
3.8 WiFi Module..................................................................................................................................... 27
3.8.1 STA Mode..................................................................................................................................27
3.8.2 AP Mode .................................................................................................................................... 28
3.9 4G/5G................................................................................................................................................29
3.10 USB Port.........................................................................................................................................32
3.11 Debug..............................................................................................................................................33
3.12 SD Card slot...................................................................................................................................33
3.13 SIM Card Slot................................................................................................................................ 34
3.14 Antenna Interface.......................................................................................................................... 35
